made TextureAtlas a struct

src/render/textures.cpp

@@ -1,11 +1,31 @@
 #include "../../include/raylib-cpp.hpp"
+#include <string>
 #include <vector>
 
 using namespace std;
 
-typedef vector<raylib::Texture> TextureAtlas;
 typedef int ID;
 
+struct TextureAtlas {
+  vector<Texture> atlas;
+  
+  Texture GetTexture(ID id) {
+    if (atlas.size() >= id) {
+      return atlas[0];
+    }
+    return atlas[id];
+  }
+
+  bool LoadImage(const char *path) {
+    atlas.push_back(LoadTexture(path));
+  }
+
+  bool AddTexture(Texture texture){
+    atlas.push_back(texture);
+  }
+
+};
+
 Texture defaultTexture;
 
 void GenDefaultTexture(){
@@ -16,14 +36,8 @@ void GenDefaultTexture(){
 
 TextureAtlas NewTextureAtlas() {
   TextureAtlas atlas;
-  atlas.push_back(defaultTexture);
-
+  atlas.AddTexture(defaultTexture);
   return atlas;
 }
 
-Texture GetTexture(ID id, TextureAtlas atlas) {
-  if (atlas.size() >= id) {
-    return atlas[0];
-  }
-  return atlas[id];
-}
+